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The closest equivalent in the United States would be the U.S. highway system.
U.S. Route 1 (US 1) is a part of the U.S. Highway System that runs from Key West, Florida, to the Canada–United States border at Fort Kent, Maine.
U.S. Route 19 (US 19) is a part of the U.S. Highway System that runs from Memphis, Florida to Erie, Pennsylvania.
U.S. Route 219 (US 219) is a part of the U.S. Highway System that runs from Rich Creek, Virginia to West Seneca, New York.
U.S. Route 23 (US 23) is a part of the U.S. Highway System that runs from Jacksonville, Florida to Mackinaw City, Michigan.
U.S. Route 522 (US 522) is a part of the U.S. Highway System that runs from Powhatan, Virginia to Selinsgrove, Pennsylvania.
What is now US 85 from El Paso, Texas to then-U.S. Route 66 (now SR 6) in Los Lunas, New Mexico (south of Albuquerque) was shown as U.S. Route 466 in an early 1925 plan for the U.S. Highway System.